我在soap4r gem的帮助下编写了访问magento核心api的ruby代码。当我运行代码时它运行得很好，但问题是它应该给出大量的肥皂警告。
/home/chandru/.rvm/gems/ruby-1.9.2-p0/gems/soap4r-1.5.8/lib/xsd/charset.rb:13: warning: variable $KCODE is no longer effective
/home/chandru/.rvm/gems/ruby-1.9.2-p0/gems/soap4r-1.5.8/lib/soap/property.rb:68: warning: encoding option is ignored - u
/home/chandru/.rvm/gems/ruby-1.9.2-p0/gems/soap4r-1.5.8/lib/soap/property.rb:69: warning: encoding option is ignored - u
/home/chandru/.rvm/gems/ruby-1.9.2-p0/gems/soap4r-1.5.8/lib/soap/property.rb:70: warning: encoding option is ignored - u
/home/chandru/.rvm/gems/ruby-1.9.2-p0/gems/soap4r-1.5.8/lib/soap/rpc/element.rb:226: warning: Hash#index is deprecated; use Hash#key
/home/chandru/.rvm/gems/ruby-1.9.2-p0/gems/soap4r-1.5.8/lib/soap/rpc/element.rb:226: warning: Hash#index is deprecated; use Hash#key
/home/chandru/.rvm/gems/ruby-1.9.2-p0/gems/soap4r-1.5.8/lib/soap/rpc/element.rb:226: warning: Hash#index is deprecated; use Hash#key
/home/chandru/.rvm/gems/ruby-1.9.2-p0/gems/soap4r-1.5.8/lib/soap/rpc/element.rb:226: warning: Hash#index is deprecated; use Hash#key
/home/chandru/.rvm/gems/ruby-1.9.2-p0/gems/soap4r-1.5.8/lib/soap/rpc/element.rb:226: warning: Hash#index is deprecated; use Hash#key
/home/chandru/.rvm/gems/ruby-1.9.2-p0/gems/soap4r-1.5.8/lib/soap/rpc/element.rb:226: warning: Hash#index is deprecated; use Hash#key
/home/chandru/.rvm/gems/ruby-1.9.2-p0/gems/soap4r-1.5.8/lib/soap/rpc/element.rb:226: warning: Hash#index is deprecated; use Hash#key
/home/chandru/.rvm/gems/ruby-1.9.2-p0/gems/soap4r-1.5.8/lib/soap/rpc/element.rb:226: warning: Hash#index is deprecated; use Hash#key
/home/chandru/.rvm/gems/ruby-1.9.2-p0/gems/soap4r-1.5.8/lib/soap/rpc/element.rb:226: warning: Hash#index is deprecated; use Hash#key
/home/chandru/.rvm/gems/ruby-1.9.2-p0/gems/soap4r-1.5.8/lib/soap/rpc/element.rb:226: warning: Hash#index is deprecated; use Hash#key
/home/chandru/.rvm/gems/ruby-1.9.2-p0/gems/soap4r-1.5.8/lib/soap/rpc/element.rb:226: warning: Hash#index is deprecated; use Hash#key
/home/chandru/.rvm/gems/ruby-1.9.2-p0/gems/soap4r-1.5.8/lib/soap/rpc/element.rb:226: warning: Hash#index is deprecated; use Hash#key
/home/chandru/.rvm/gems/ruby-1.9.2-p0/gems/soap4r-1.5.8/lib/soap/rpc/element.rb:226: warning: Hash#index is deprecated; use Hash#key
/home/chandru/.rvm/gems/ruby-1.9.2-p0/gems/soap4r-1.5.8/lib/soap/rpc/element.rb:226: warning: Hash#index is deprecated; use Hash#key
/home/chandru/.rvm/gems/ruby-1.9.2-p0/gems/soap4r-1.5.8/lib/soap/rpc/element.rb:226: warning: Hash#index is deprecated; use Hash#key
/home/chandru/.rvm/gems/ruby-1.9.2-p0/gems/soap4r-1.5.8/lib/soap/rpc/element.rb:226: warning: Hash#index is deprecated; use Hash#key
/home/chandru/.rvm/gems/ruby-1.9.2-p0/gems/soap4r-1.5.8/lib/soap/rpc/element.rb:226: warning: Hash#index is deprecated; use Hash#key
/home/chandru/.rvm/gems/ruby-1.9.2-p0/gems/soap4r-1.5.8/lib/soap/rpc/element.rb:226: warning: Hash#index is deprecated; use Hash#key
/home/chandru/.rvm/gems/ruby-1.9.2-p0/gems/soap4r-1.5.8/lib/soap/rpc/element.rb:226: warning: Hash#index is deprecated; use Hash#key
/home/chandru/.rvm/gems/ruby-1.9.2-p0/gems/soap4r-1.5.8/lib/soap/rpc/element.rb:226: warning: Hash#index is deprecated; use Hash#key
/home/chandru/.rvm/gems/ruby-1.9.2-p0/gems/soap4r-1.5.8/lib/soap/rpc/element.rb:226: warning: Hash#index is deprecated; use Hash#key
/home/chandru/.rvm/gems/ruby-1.9.2-p0/gems/soap4r-1.5.8/lib/soap/rpc/element.rb:226: warning: Hash#index is deprecated; use Hash#key
/home/chandru/.rvm/gems/ruby-1.9.2-p0/gems/soap4r-1.5.8/lib/soap/rpc/element.rb:226: warning: Hash#index is deprecated; use Hash#key
/home/chandru/.rvm/gems/ruby-1.9.2-p0/gems/soap4r-1.5.8/lib/soap/rpc/element.rb:226: warning: Hash#index is deprecated; use Hash#key
/home/chandru/.rvm/gems/ruby-1.9.2-p0/gems/soap4r-1.5.8/lib/soap/rpc/element.rb:226: warning: Hash#index is deprecated; use Hash#key
/home/chandru/.rvm/gems/ruby-1.9.2-p0/gems/soap4r-1.5.8/lib/soap/rpc/element.rb:226: warning: Hash#index is deprecated; use Hash#key
/home/chandru/.rvm/gems/ruby-1.9.2-p0/gems/soap4r-1.5.8/lib/soap/rpc/element.rb:226: warning: Hash#index is deprecated; use Hash#key
我得到了上述警告。 所以任何人都告诉我如何隐藏这些警告。 感谢。